Home / 2,345.20-3,235.14-1,748.32

Finding the Fourth Proportional to 2,345.20, 3,235.14 and 1,748.32

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Solution

The fourth proportional to 2,345.20, 3,235.14 and 1,748.32 is: 2,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.20 : 3,235.14 = 1,748.32 : x
  2. Step 2: Convert to fraction form
    2,345.20/3,235.14 = 1,748.32/x
  3. Step 3: Cross multiply
    2,345.20x = 3,235.14 × 1,748.32
  4. Step 4: Simplify right side
    2,345.20x = 5,656,059.96
  5. Step 5: Solve for x
    x = 5,656,059.96/2,345.20
  6. Step 6: Final answer
    x = 2,411.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.